8000 server: graceful reload and restart via SIGHUP/SIGUSR1 signals · Issue #5 · achimnol/aiotools · GitHub
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server: graceful reload and restart via SIGHUP/SIGUSR1 signals #5

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achimnol opened this issue Aug 14, 2017 · 1 comment
Open

server: graceful reload and restart via SIGHUP/SIGUSR1 signals #5

achimnol opened this issue Aug 14, 2017 · 1 comment
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@achimnol
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  • Graceful reload: when the main program receives SIGUSR1, let it shutdown all workers and extra processes, call a restart callback, and re-spawn all workers and extra processes again. A restart callback is intended to read the (changed) configuration again, which is written by the user.
  • Graceful restart: when the main program receives SIGHUP, let it terminate completely and re-execute the whole process again, preferably with the same sys.argv and environment variables. Add an optional restart callback which is called after terminating workers but before calling user-defined main exit handler.

There may be required several design decision on what arguments to pass to callbacks and when to call them. Let's discuss and implement.
@Suckzoo
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Suckzoo commented Aug 15, 2017

#9

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